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Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725—Rev 15
Table 20. Recommended Bypass, Output, and MOB Circuit Breaker Ratings
UPS Model
Bypass, Output Rating
Load Rating
400V
480V
Power Xpert 9395-825/650
80% Rated
1200A
1000A
100% Rated
1000A
800A
Power Xpert 9395-825/750
80% Rated
1600A
1200A
100% Rated
1200A
1000A
Power Xpert 9395-825/825
80% Rated
1600A
1600A
100% Rated
1200A
1000A
Power Xpert 9395-825/450
Power Xpert 9395-825/500
Power Xpert 9395-825/550
See Note 1
80% Rated
1600A
1600A
100% Rated
1200A
1000A
NOTE 1 Because of the future upgradability to a fully rated 825 kVA UPS with the addition of the FI-UPM, these breaker sizes are
specified for an 825 kVA UPS.
NOTE 2 Bypass breakers are not required for IOM configurations.
There is no manual DC disconnect device within the UPS.
A battery disconnect switch is recommended, and may be required by NEC or local codes when batteries are
remotely located. The battery disconnect switch should be installed between the battery and the UPS.
External DC input overcurrent protection and disconnect switch for the remote battery location is to be
provided by the customer.
and
lists the maximum rating for continuous-duty rated circuit
breakers satisfying the criteria for both. Recommended breaker size is based on a maximum full load discharge
time less than 3 hours. For longer discharge times a larger breaker may be required.
Table 21. Recommended DC Input Circuit Breaker Ratings – Common Battery
UPS Model
Input Rating
400V
480V
Power Xpert 9395-825/650
1600A
1600A
Power Xpert 9395-825/750
2000A
2000A
Power Xpert 9395-825/825
2000A
2000A
Power Xpert 9395-825/450
Power Xpert 9395-825/500
Power Xpert 9395-825/550
See Note
2000A
2000A
NOTE Because of the future upgradability to a fully rated 825 kVA UPS with the addition of the FI-UPM, these breaker sizes are
specified for an 825 kVA UPS.
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